CN103967800B - Impedance composite muffler and there is the compressor of this muffler - Google Patents
Impedance composite muffler and there is the compressor of this muffler Download PDFInfo
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- CN103967800B CN103967800B CN201410211679.9A CN201410211679A CN103967800B CN 103967800 B CN103967800 B CN 103967800B CN 201410211679 A CN201410211679 A CN 201410211679A CN 103967800 B CN103967800 B CN 103967800B
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Abstract
The invention discloses a kind of novel impedance composite muffler, including a base plate, described base plate the most integrally extends a upper strata noise reduction lid, is provided with lower floor's noise reduction lid in described upper strata noise reduction lid；It is upper strata expansion chambers between lower floor's noise reduction lid and upper strata noise reduction lid, in the expansion chambers of described upper strata, fills resistive quieter material layer；The noise reduction of described lower floor is covered with lower steam vent, and the noise reduction of described upper strata is provided with, in being covered with upper air-vent, and described resistive quieter material layer, the exhaust passage communicated with lower steam vent and upper air-vent.The present invention uses the innovative design of double-deck noise reduction lid, and fills resistive quieter material layer in being upper strata expansion chambers between double-deck noise reduction lid, is combined with resistive noise reduction by resistant noise-reducing, has widened the frequency band of noise reduction, makes compressor operating noise effectively reduce；Separately owing to using the innovative design of double-deck noise reduction lid, vent structure can be improved further, it is achieved that the most excellent erasure effect.
Description
Technical field
The present invention relates to a kind of muffler, be specifically related to a kind of impedance composite muffler being applied on compressor.
The invention still further relates to a kind of compressor using above-mentioned impedance composite muffler.
Background technology
Existing compressor is typically by compressor case 1, compression mechanism (pump housing) 2, stator 3, rotor 4 and reservoir 5 groups
Becoming (as shown in Figure 1), wherein compression mechanism 2 is main by cylinder 21, piston 22, upper bearing (metal) 23, bent axle 24, lower bearing 25, slide block
26, spring 27 and muffler 20` composition (such as Fig. 2, shown in 3 and 4).Wherein, the upper shaft of epirelief it is provided with in the middle of upper bearing (metal) 23 top
Set 231, and described muffler 20` is a thin-walled cover body, it has a base plate 201`, described base plate 201` and the most integrally extends
One staged noise reduction lid 208`, described staged noise reduction is covered with the axis hole 207` coordinated with Upper shaft sleeve 231, muffler 20`'s
Base plate 201` is connected by bolt 6 with upper bearing (metal) 23, is individual layer expansion chambers 209`, and staged disappears in staged noise reduction lid 208`
Sound lid 208` is provided with exhaust outlet 202`, upper bearing (metal) exhaust outlet the gas discharged carries out noise is low to be subtracted, and plays resistant noise-reducing
Effect.
Muffler is a kind of while allowing air-flow to pass through, and can effectively stop or weaken again the dress that acoustic energy is outwards propagated
Put.
At present, rotary compressor uses the muffler being made up of individual layer expansion chambers to be typical resistive muffler principle.
Resistance muffler principle: the pipeline section or the side that connect sectional area sudden change in an exhaust gas connect resonant cavity, utilize the change of acoustic impedance,
The phenomenons such as the interface making the sound wave of some frequency suddenly change in acoustic resistance is launched, interference, thus in the outside of muffler, reach to disappear
The purpose of sound.The form realized has: expansion chamber, resonant cavity type, interference formula.Exhaust in the tradition Rotary Compressor pump housing disappears
Sound device i.e. uses the resistant noise-reducing device of expansion chamber.It there is problems in that 1) existing this muffler is a kind of resistant noise-reducing
Device, it has good low frequency acoustic damping characteristic；2) but noise reduction frequency band is narrow, poor to medium-high frequency erasure effect.Applicable industry except blower fan,
Resistive muffler is widely used in gas turbine.Resistive muffler principle: resistive material be fixed on gas channel inwall or by
Certain method is lined up in the channel, and Electrical analogy, and sound-absorbing material material is equivalent to resistance, therefore referred to as resistive muffler.
Resistive muffler can noise reduction in the range of wider medium-high frequency, particularly high frequency audio is had prominent erasure effect, but an existing list
The muffler structure of layer expansion chambers cannot realize resistive noise reduction, therefore cannot realize resistant noise-reducing and combine with resistive noise reduction, single
The muffler of layer expansion chambers is not ideal enough in erasure effect.
Summary of the invention
Present invention aims to the problems referred to above weak point, it is provided that one is provided simultaneously with resistant noise-reducing and resistive disappears
The impedance composite muffler of audio fruit, it uses brand-new structure to make resistant noise-reducing and resistive noise reduction combine, makes to disappear
Sound device possesses the erasure effect of full rate section.
In order to achieve the above object, the present invention is by the following technical solutions:
Impedance composite muffler, including a base plate, this base plate is for being fixed on the upper bearing (metal) of compressor, described
Base plate the most integrally extends a upper strata noise reduction lid, is provided with lower floor's noise reduction lid in described upper strata noise reduction lid；In this lower floor's noise reduction lid
Setting between a layer expansion chambers, and lower floor's noise reduction lid and upper strata noise reduction lid is upper strata expansion chambers, fills resistance in the expansion chambers of described upper strata
Property quieter material layer；It is upper that the middle part of described lower floor noise reduction lid, resistive quieter material layer and upper strata noise reduction lid is provided with upper bearing (metal)
The axis hole that axle sleeve is suitable；The noise reduction of described lower floor is covered with the lower steam vent communicated with lower floor expansion chambers, described upper strata noise reduction lid
It is provided with, in being provided with upper air-vent, and described resistive quieter material layer, the exhaust passage communicated with lower steam vent and upper air-vent.
Specifically, described resistive quieter material layer is glass fibre resistive quieter material layer, or is that mild steel silk screen is resistive
Quieter material layer, or be resistive quieter material layer.
The most concrete, described upper strata expansion chambers arranges opening at axis hole, and this opening part leads to resistive quieter material layer
Close；Or described upper strata expansion chambers upwardly extends closing by lower floor's noise reduction lid at axis hole.
Preferably, described lower steam vent with upper air-vent for be vertically coaxially disposed, or for shifting to install；Described exhaust passage
For direct exhaust passage, or it it is the roundabout exhaust passage of S type.
Further preferably, the diameter of described lower steam vent is more than upper air-vent.
The present invention also provides for a kind of compressor using above-mentioned muffler, and concrete technical scheme is as follows:
A kind of compressor with impedance composite muffler, it include compress mechanism, described compression mechanism has
One upper bearing (metal), this upper bearing (metal) connects and has an impedance composite muffler, and this muffler has a base plate, and described base plate leads to
Crossing securing member to be fixed on upper bearing (metal), described base plate the most integrally extends a upper strata noise reduction lid, sets in described upper strata noise reduction lid
There is lower floor's noise reduction lid；Set in this lower floor's noise reduction lid and expand for upper strata between a layer expansion chambers, and lower floor's noise reduction lid and upper strata noise reduction lid
Resistive quieter material layer is filled in opening room, described upper strata expansion chambers；Described lower floor noise reduction lid, resistive quieter material layer and upper strata disappear
The middle part of sound lid is provided with the axis hole suitable with the Upper shaft sleeve of upper bearing (metal)；The noise reduction of described lower floor is covered with and communicates with lower floor expansion chambers
Lower steam vent, the noise reduction of described upper strata be provided with in being covered with upper air-vent, and described resistive quieter material layer with lower steam vent and
The exhaust passage that upper air-vent communicates.
Specifically, described resistive quieter material layer is glass fibre resistive quieter material layer, or is that mild steel silk screen is resistive
Quieter material layer, or be felt resistive quieter material layer.
The most concrete, described upper strata expansion chambers arranges opening at axis hole, and this opening part leads to resistive quieter material layer
Close；Or described upper strata expansion chambers upwardly extends closing by lower floor's noise reduction lid at axis hole.
Preferably, described lower steam vent with upper air-vent for be vertically coaxially disposed, or for shifting to install；Described exhaust passage
For direct exhaust passage, or it it is the roundabout exhaust passage of S type.
Further preferably, the diameter of described lower steam vent is more than upper air-vent.
The present invention uses above technical scheme, overcome existing individual layer expansion chambers muffler can only resistant noise-reducing, and cannot
In conjunction with a difficult problem for resistive noise reduction, the present invention uses the innovative design of double-deck noise reduction lid, and is that upper strata is expanded between double-deck noise reduction lid
Open indoor filling resistive quieter material layer, resistant noise-reducing is combined with resistive noise reduction, has widened the frequency band of noise reduction, made compression
Machine runs noise effectively to be reduced；Separately owing to using the innovative design of double-deck noise reduction lid, vent structure can be carried out further
Improvement, it is achieved that the most excellent erasure effect.
Accompanying drawing explanation
Fig. 1 is existing compressor arrangement schematic diagram.
Fig. 2 is the structure top view of the existing muffler being made up of individual layer expansion chambers.
Fig. 3 is that the A-B of the existing muffler being made up of individual layer expansion chambers is to sectional view.
Fig. 4 is that the A-A of the existing muffler being made up of individual layer expansion chambers is to sectional view.
Fig. 5 is that the A-B of existing muffler and compression mechanism mounting structure is to sectional view.
Fig. 6 is that the A-A of existing muffler and compression mechanism mounting structure is to sectional view.
Fig. 7 is the compressor arrangement schematic diagram described in the embodiment of the present invention 1.
Fig. 8 is the structure top view of muffler described in the embodiment of the present invention 1.
Fig. 9 a is that the C-D of muffler described in the embodiment of the present invention 1 is to sectional view.
Fig. 9 b removes the C-D of resistive quieter material layer to sectional view for muffler described in the embodiment of the present invention 1.
Figure 10 is that the C-C of muffler described in the embodiment of the present invention 1 is to sectional view.
Figure 11 is that the C-D of muffler described in the embodiment of the present invention 1 and compression mechanism mounting structure is to sectional view.
Figure 12 is that the C-C of muffler described in the embodiment of the present invention 1 and compression mechanism mounting structure is to sectional view.
Figure 13 is the muffler structure sectional view described in the embodiment of the present invention 2.
Figure 14 is the muffler structure sectional view described in the embodiment of the present invention 3.
Figure 15 is the muffler structure sectional view described in the embodiment of the present invention 4.
Figure 16 is the muffler structure sectional view described in the embodiment of the present invention 5.
Figure 17 is the muffler structure sectional view described in the embodiment of the present invention 6.
Detailed description of the invention
Embodiment 1
As Fig. 7 is to shown in 12, and the compressor with impedance composite muffler of the present invention, it includes compression
Machine shell 1, compression mechanism 2, stator 3, rotor 4 and reservoir 5 (as shown in Figure 7), wherein compression mechanism 2 mainly by cylinder 21,
Piston 22, upper bearing (metal) 23, bent axle 24, lower bearing 25, slide block 26, spring and impedance composite muffler 20 form, wherein,
The Upper shaft sleeve 231 of epirelief it is provided with in the middle of upper bearing (metal) 23 top.
If Fig. 8 is to shown in 12, described upper bearing (metal) 23 connecting impedance composite muffler 20, this muffler has one
Base plate 201, described base plate 201 is fixed on upper bearing (metal) 23 by securing member (bolt 6), and described base plate 201 upwards one extends
Go out a upper strata noise reduction lid 202, in described upper strata noise reduction lid 202, be provided with lower floor's noise reduction lid 203, specifically, described lower floor noise reduction lid
203 sidewalls being welded on upper strata noise reduction lid 202；Layer expansion chambers 205, and lower floor's noise reduction lid 203 is set in this lower floor's noise reduction lid 203
And it is upper strata expansion chambers 206 between upper strata noise reduction lid 202, in described upper strata expansion chambers 206, fills resistive quieter material layer 204.
The present invention is by using the innovative design of double-deck noise reduction lid, and fills resistive disappearing in being upper strata expansion chambers between double-deck noise reduction lid
Sound material layer, combines resistant noise-reducing with resistive noise reduction, has widened the frequency band of noise reduction, makes compressor operating noise effectively drop
Low, overcome existing individual layer expansion chambers muffler can only resistant noise-reducing, noise reduction frequency band is narrow, it is impossible to combine the difficulty of resistive noise reduction
Topic.
The middle part of described lower floor noise reduction lid 203, resistive quieter material layer 204 and upper strata noise reduction lid 202 is provided with and upper bearing (metal)
The suitable axis hole 207 of Upper shaft sleeve.
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated, further, described lower steam vent 2031 is for be vertically coaxially disposed and described with upper air-vent 2021
The diameter of lower steam vent 2031 and upper air-vent 2021 equal diameters, exhaust passage 2041 is direct exhaust passage, is specially vertical
Direct exhaust passage.
Specifically, described resistive quieter material layer 204 is glass fibre resistive quieter material layer, or hinders for mild steel silk screen
Property quieter material layer, or be felt resistive quieter material layer.
The most concrete, described upper strata expansion chambers 206 arranges opening 2061 (see Fig. 9 b), and this opening at axis hole 207
The logical resistive quieter material layer 204 in place closes (see Fig. 9 a)；Or described upper strata expansion chambers 206 passes through lower floor's noise reduction lid at axis hole
203 upwardly extend closing (not drawing schematic diagram), i.e. lower floor's noise reduction lid 203 extends upwardly to upper strata noise reduction lid 203, upper strata
Expansion chambers 206 is closed at axis hole 207.
Compressor of the present invention in the course of the work, the gaseous coolant of HTHP from upper bearing (metal) exhaust outlet discharge after,
First, enter lower floor's expansion chambers 205 of lower floor's noise reduction lid, carry out noise reduction for the first time, thereafter, enter upper strata by lower exhaust outlet and expand
Opening the exhaust passage in resistive quieter material floor 204 in room 206, resistive quieter material layer 204 carries out secondary resistance to gaseous coolant
Property noise reduction, last gaseous coolant is discharged via the upper exhaust outlet 2021 of upper strata noise reduction lid 202, through the resistant noise-reducing of above-mentioned priority
With resistive noise reduction, widen the frequency band of noise reduction, so that compressor noise is well suppressed.
Embodiment 2
As shown in figure 13, the impedance composite muffler 20 described in the present embodiment, it has a base plate 201, described
Base plate 201 the most integrally extends a upper strata noise reduction lid 202, is provided with lower floor's noise reduction lid 203 in described upper strata noise reduction lid 202；Should
Setting in lower floor's noise reduction lid 203 between layer expansion chambers 205, and lower floor's noise reduction lid 203 and upper strata noise reduction lid 202 is upper strata expansion chambers
206, fill resistive quieter material layer 204 in described upper strata expansion chambers 206.Described lower floor noise reduction lid 203, resistive quieter material layer
204 and the middle part of upper strata noise reduction lid 202 be provided with the axis hole 207 suitable with the Upper shaft sleeve of upper bearing (metal).
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated.
Further, described lower steam vent 2031 with upper air-vent 2021 for be vertically coaxially disposed, the present embodiment and embodiment 1
Muffler structure difference be that exhaust structure is different, particularly as follows: the diameter of described lower steam vent 2031 is more than upper exhaust
Hole 2021 diameter, exhaust passage 2041 is direct exhaust passage, and its cross section is lower big little trapezoidal shape.And embodiment 1 time
The diameter of steam vent 2031 and upper air-vent 2021 equal diameters.
In the present embodiment, the diameter of lower steam vent 2031 is more than upper air-vent 2021 diameter, makes gaseous coolant be entered by big mouth
Osculum flows out, and adds the resistive material noise reduction area of exhaust passage 2041, by changing upper and lower expansion chambers sectional area, sudden change
Size and location, reach eliminate different frequency sound wave purpose, the beneficially absorption of noise.
Other structure of impedance composite muffler 20 described in the present embodiment refer to embodiment 1.
Embodiment 3
As shown in figure 14, the impedance composite muffler 20 described in the present embodiment, it has a base plate 201, described
Base plate 201 the most integrally extends a upper strata noise reduction lid 202, is provided with lower floor's noise reduction lid 203 in described upper strata noise reduction lid 202；Should
Setting in lower floor's noise reduction lid 203 between layer expansion chambers 205, and lower floor's noise reduction lid and upper strata noise reduction lid is upper strata expansion chambers 206, institute
Resistive quieter material layer 204 is filled in stating upper strata expansion chambers.Described lower floor noise reduction lid 203, resistive quieter material layer 204 and upper strata
The middle part of noise reduction lid 202 is provided with the axis hole 207 suitable with the Upper shaft sleeve of upper bearing (metal).
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated.
Further, from the muffler structure difference of embodiment 1, the present embodiment is that exhaust structure is different, particularly as follows:
Described lower steam vent 2031 and upper air-vent 2021 are for shifting to install, and the diameter of described lower steam vent 2031 is equal to upper air-vent
2021 diameters, exhaust passage 2041 is the roundabout exhaust passage of S type.And the lower steam vent 2031 of embodiment 1 and upper air-vent 2021
For being vertically coaxially disposed, and exhaust passage 2041 is direct exhaust passage.
In the present embodiment, lower steam vent 2031 is with upper air-vent 2021 for shifting to install, and exhaust passage 2041 is that S type is roundabout
Exhaust passage, its roundabout exhaust passage of S type adds the discharge distance making gaseous coolant, and adds the resistance of exhaust passage 2041
Property material noise reduction area, beneficially noise absorption, simultaneously up and down steam vent shifts to install and makes noise can not lead directly to discharge, enters one
Step weakens the intensity of noise, i.e. the structure of the roundabout exhaust passage of S type is than assimilation effect to noise of the direct exhaust passage of embodiment 1
Promote further.
Other structure of impedance composite muffler 20 described in the present embodiment refer to embodiment 1.
Embodiment 4
As shown in figure 15, the impedance composite muffler 20 described in the present embodiment, it has a base plate 201, described
Base plate 201 the most integrally extends a upper strata noise reduction lid 202, is provided with lower floor's noise reduction lid 203 in described upper strata noise reduction lid 202；Should
Setting in lower floor's noise reduction lid 203 between layer expansion chambers 205, and lower floor's noise reduction lid and upper strata noise reduction lid is upper strata expansion chambers 206, institute
Resistive quieter material layer 204 is filled in stating upper strata expansion chambers.Described lower floor noise reduction lid 203, resistive quieter material layer 204 and upper strata
The middle part of noise reduction lid 202 is provided with the axis hole 207 suitable with the Upper shaft sleeve of upper bearing (metal).
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated.
The present embodiment is to be further improved exhaust passage on the basis of embodiment 3, particularly as follows: described lower steam vent
2031 with upper air-vent 2021 for shifting to install, the diameter of described lower steam vent 2031 be more than upper air-vent 2021 diameter, exhaust
Passage 2041 is the roundabout exhaust passage of S type.And the exhaust passage 2041 of embodiment 3 is also the roundabout exhaust passage of S type, but implement
The diameter of the lower steam vent 2031 of example 3 is equal to upper air-vent 2021 diameter.The present embodiment leads in the roundabout exhaust of S type of embodiment 3
The diameter of lower steam vent 2031 is set on the basis of road further more than upper air-vent 2021 diameter so that gaseous coolant is by big mouth
Entrance osculum flows out, and by changing upper and lower expansion chambers sectional area, the size and location of sudden change, reaches to eliminate different frequency sound wave
Purpose, promotes the assimilation effect to noise further.
Other structure of impedance composite muffler 20 described in the present embodiment refer to embodiment 1.
Embodiment 5
As shown in figure 16, the impedance composite muffler 20 described in the present embodiment, this muffler has a base plate
201, described base plate 201 the most integrally extends a upper strata noise reduction lid 202, is provided with lower floor's noise reduction in described upper strata noise reduction lid 202
Lid 203；Set in this lower floor's noise reduction lid 203 and expand for upper strata between layer expansion chambers 205, and lower floor's noise reduction lid and upper strata noise reduction lid
Room 206, fills resistive quieter material layer 204 in the expansion chambers of described upper strata.Described lower floor noise reduction lid 203, resistive quieter material layer
204 and the middle part of upper strata noise reduction lid 202 be provided with the axis hole 207 suitable with the Upper shaft sleeve of upper bearing (metal).
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated.
Further, from the muffler structure difference of embodiment 1, the present embodiment is that exhaust structure is different, particularly as follows:
Described lower steam vent 2031 and upper air-vent 2021 are for shifting to install, and the diameter of described lower steam vent 2031 is equal to upper air-vent
2021 diameters, exhaust passage 2041 is direct exhaust passage, the most oblique direct exhaust passage.And the lower steam vent of embodiment 1
2031 with upper air-vent 2021 for be vertically coaxially disposed, and exhaust passage 2041 is vertical straight exhaust passage.
In the present embodiment, lower steam vent 2031 is with upper air-vent 2021 for shifting to install, and exhaust passage 2041 is oblique in line
Gas passage, its oblique direct exhaust passage adds the discharge distance making gaseous coolant, and adds the resistive of exhaust passage 2041
Material noise reduction area, the beneficially absorption of noise, steam vent shifts to install and makes noise can not lead directly to discharge, further the most up and down
Weaken the intensity of noise.
Other structure of impedance composite muffler 20 described in the present embodiment refer to embodiment 1.
Embodiment 6
As shown in figure 17, the impedance composite muffler 20 described in the present embodiment, this muffler has a base plate
201, described base plate 201 the most integrally extends a upper strata noise reduction lid 202, is provided with lower floor's noise reduction in described upper strata noise reduction lid 202
Lid 203；Set in this lower floor's noise reduction lid 203 and expand for upper strata between layer expansion chambers 205, and lower floor's noise reduction lid and upper strata noise reduction lid
Room 206, fills resistive quieter material layer 204 in the expansion chambers of described upper strata.Described lower floor noise reduction lid 203, resistive quieter material layer
204 and the middle part of upper strata noise reduction lid 202 be provided with the axis hole 207 suitable with the Upper shaft sleeve of upper bearing (metal).
Described lower floor noise reduction lid 203 is provided with the lower steam vent 2031 communicated with lower floor expansion chambers 205, described upper strata noise reduction lid
202 be provided with upper air-vent 2021, and described resistive quieter material layer 204 in be provided with and lower steam vent 2031 and upper air-vent 2021
The exhaust passage 2041 communicated.
Further, the present embodiment is to be further improved exhaust passage on the basis of embodiment 5, particularly as follows: described
Lower steam vent 2031 and upper air-vent 2021 are for shifting to install, and the diameter of described lower steam vent 2031 is straight more than upper air-vent 2021
Footpath, exhaust passage 2041 is direct exhaust passage, the most oblique direct exhaust passage.And the exhaust passage 2041 of embodiment 5 is also
Oblique direct exhaust passage, but the diameter of the lower steam vent 2031 of embodiment 5 is equal to upper air-vent 2021 diameter.The present embodiment exists
The diameter arranging lower steam vent 2031 on the basis of the oblique direct exhaust passage of embodiment 5 further is straight more than upper air-vent 2021
Footpath so that gaseous coolant is entered osculum by big mouth and flows out, by changing upper and lower expansion chambers sectional area, the size and location of sudden change,
Reach to eliminate the purpose of different frequency sound wave, promote the assimilation effect to noise further.
Other structure of impedance composite muffler 20 described in the present embodiment refer to embodiment 1.
The present invention uses above technical scheme, overcome existing individual layer expansion chambers muffler can only resistant noise-reducing, and cannot
In conjunction with a difficult problem for resistive noise reduction, the present invention uses the innovative design of double-deck noise reduction lid, and is that upper strata is expanded between double-deck noise reduction lid
Open indoor filling resistive quieter material layer, resistant noise-reducing is combined with resistive noise reduction, has widened the frequency band of noise reduction, made compression
Machine runs noise effectively to be reduced；Separately owing to using the innovative design of double-deck noise reduction lid, vent structure can be carried out further
Improvement, it is possible to achieve shifting to install and the different pore size of upper and lower steam vent of upper and lower steam vent, it is achieved that the most excellent noise reduction
Effect.
Claims (6)
1. impedance composite muffler, including a base plate, this base plate is for being fixed on the upper bearing (metal) of compressor, its feature
Being, described base plate the most integrally extends a upper strata noise reduction lid, is provided with lower floor's noise reduction lid in described upper strata noise reduction lid；This lower floor
Setting in noise reduction lid between a layer expansion chambers, and lower floor's noise reduction lid and upper strata noise reduction lid is upper strata expansion chambers, described upper strata expansion chambers
Interior filling resistive quieter material layer；The middle part of described lower floor noise reduction lid, resistive quieter material layer and upper strata noise reduction lid is provided with upper
The axis hole that the Upper shaft sleeve of bearing is suitable；The noise reduction of described lower floor is covered with the lower steam vent communicated with lower floor expansion chambers, described on
Layer noise reduction is provided with, in being covered with upper air-vent, and described resistive quieter material layer, the exhaust communicated with lower steam vent and upper air-vent
Passage；Described lower steam vent and upper air-vent are for shifting to install, and the diameter of described lower steam vent is more than the diameter of upper air-vent；
Described exhaust passage is the roundabout exhaust passage of S type.
Impedance composite muffler the most according to claim 1, it is characterised in that described resistive quieter material layer is
Glass fibre resistive quieter material layer, or be mild steel silk screen resistive quieter material layer, or be felt resistive quieter material layer.
Impedance composite muffler the most according to claim 1, it is characterised in that described upper strata expansion chambers is at axis hole
Place arranges opening, and this opening part is closed by resistive quieter material layer；Or under described upper strata expansion chambers is passed through at axis hole
Layer noise reduction lid upwardly extends closing.
4. having a compressor for impedance composite muffler, it includes compressing mechanism, and described compression mechanism has one
Upper bearing (metal), it is characterised in that: connecting on described upper bearing (metal) and have an impedance composite muffler, this muffler has an end
Plate, described base plate is fixed on upper bearing (metal) by securing member, and described base plate the most integrally extends a upper strata noise reduction lid, described on
It is provided with lower floor's noise reduction lid in layer noise reduction lid；A layer expansion chambers is set in this lower floor's noise reduction lid, and lower floor's noise reduction lid and upper strata noise reduction lid
Between be upper strata expansion chambers, fill resistive quieter material layer in the expansion chambers of described upper strata；Described lower floor noise reduction lid, resistive noise reduction material
The middle part of the bed of material and upper strata noise reduction lid is provided with the axis hole suitable with the Upper shaft sleeve of upper bearing (metal)；The noise reduction of described lower floor be covered with under
The lower steam vent that layer expansion chambers communicates, the noise reduction of described upper strata is provided with in being covered with upper air-vent, and described resistive quieter material layer
The exhaust passage communicated with lower steam vent and upper air-vent；Described lower steam vent and upper air-vent for shifting to install, and described under
The diameter of steam vent is more than the diameter of upper air-vent；Described exhaust passage is the roundabout exhaust passage of S type.
The compressor with impedance composite muffler the most according to claim 4, it is characterised in that described resistive
Quieter material layer is glass fibre resistive quieter material layer, or is mild steel silk screen resistive quieter material layer, or is that felt is resistive
Quieter material layer.
The compressor with impedance composite muffler the most according to claim 4, it is characterised in that described upper strata
Expansion chambers arranges opening at axis hole, and this opening part is closed by resistive quieter material layer；Or described upper strata expansion chambers exists
Closing is upwardly extended by lower floor's noise reduction lid at axis hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211679.9A CN103967800B (en) | 2014-05-19 | 2014-05-19 | Impedance composite muffler and there is the compressor of this muffler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211679.9A CN103967800B (en) | 2014-05-19 | 2014-05-19 | Impedance composite muffler and there is the compressor of this muffler |
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| Publication Number | Publication Date |
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| CN103967800A CN103967800A (en) | 2014-08-06 |
| CN103967800B true CN103967800B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410211679.9A Active CN103967800B (en) | 2014-05-19 | 2014-05-19 | Impedance composite muffler and there is the compressor of this muffler |
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| CN106438500B (en) * | 2015-08-06 | 2019-01-08 | 中国科学院声学研究所 | A kind of silencing apparatus of the air inlet mouth source for blower |
| CN105221433B (en) * | 2015-10-22 | 2017-11-07 | 安徽美芝精密制造有限公司 | Muffler and the rotary compressor with it |
| JP6625864B2 (en) * | 2015-10-27 | 2019-12-25 | 三菱重工サーマルシステムズ株式会社 | Rotary compressor |
| CN106050609A (en) * | 2016-05-31 | 2016-10-26 | 芜湖卓越空调零部件有限公司 | Bearing silencer for compressor |
| CN106762670B (en) * | 2017-01-24 | 2018-09-11 | 广东美芝制冷设备有限公司 | Compressor, refrigeration system and automobile |
| CN116838612B (en) * | 2023-06-29 | 2024-05-17 | 嵊州市新起点焊接科技有限公司 | Compressor amortization subassembly and automatic assembly equipment thereof |
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| CN1420280A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Silencer of rotary compressor |
| KR20030051084A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 엘지이아이 | Apparatus for reduce the noise of rotary compressor |
| CN2578568Y (en) * | 2002-07-22 | 2003-10-08 | 上海日立电器有限公司 | Composite double-layer silencer |
| CN2692382Y (en) * | 2004-03-17 | 2005-04-13 | 上海日立电器有限公司 | Bilayer dual expanding noise suppressor |
| CN103511283A (en) * | 2013-02-05 | 2014-01-15 | 安徽美芝精密制造有限公司 | Silencer of compressor and compressor provided with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018184A (en) * | 1998-06-30 | 2000-01-18 | Toshiba Corp | Rotary compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420280A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Silencer of rotary compressor |
| KR20030051084A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 엘지이아이 | Apparatus for reduce the noise of rotary compressor |
| CN2578568Y (en) * | 2002-07-22 | 2003-10-08 | 上海日立电器有限公司 | Composite double-layer silencer |
| CN2692382Y (en) * | 2004-03-17 | 2005-04-13 | 上海日立电器有限公司 | Bilayer dual expanding noise suppressor |
| CN103511283A (en) * | 2013-02-05 | 2014-01-15 | 安徽美芝精密制造有限公司 | Silencer of compressor and compressor provided with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103967800A (en) | 2014-08-06 |
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